Stacking chair



FIG. 1 is a right, front perspective view of a chair showing my design;

FIG. 2 is a right, side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear perspective view thereof.

The left elevational view of the design is a mirror image of the right elevational view. 

The ornamental design for a chair, as shown and described. 